28619743 has 2 divisors, whose sum is σ = 28619744. Its totient is φ = 28619742.

The previous prime is 28619729. The next prime is 28619783. The reversal of 28619743 is 34791682.

It is an a-pointer prime, because the next prime (28619783) can be obtained adding 28619743 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28619743 - 2¹³ = 28611551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28619696 and 28619705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28619713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14309871 + 14309872.

It is an arithmetic number, because the mean of its divisors is an integer number (14309872).

Almost surely, 2^28619743 is an apocalyptic number.

28619743 is a deficient number, since it is larger than the sum of its proper divisors (1).

28619743 is an equidigital number, since it uses as much as digits as its factorization.

28619743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 28619743 is about 5349.7423302436. The cubic root of 28619743 is about 305.8829311387.

The spelling of 28619743 in words is "twenty-eight million, six hundred nineteen thousand, seven hundred forty-three".